Device and method for optimally distinguishing among an arbitrary set of coherent states of light
US9569730B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Oct 5, 2012 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Jan 11, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06E3/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and device for optimal processing of a plurality of sets of coherent states of lights. The method includes: receiving a light having a coherent state; splitting the coherent state into a plurality of identical states (slices), each a coherent state with lower intensity than that of the received coherent state; transferring the information of each of the identical coherent states into a qubit; compressing the quantum information of the qubit into a quantum memory; and quantum processing the quantum information from the quantum memory.
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